When comparing Sails.js vs Derby, the Slant community recommends Sails.js for most people. In the question“What are the best full-stack Node.js frameworks?”Sails.js is ranked 4th while Derby is ranked 7th. The most important reason people chose Sails.js is:

This could be a huge plus, if you prefer to build your apps using the Model View Controller architecture. Using Sails.js you'll find the task of separating the business logic from the user interface and keeping the interactions between them in a separate layer, extremely easy.

Pros

Pro

MVC architecture

This could be a huge plus, if you prefer to build your apps using the Model View Controller architecture. Using Sails.js you'll find the task of separating the business logic from the user interface and keeping the interactions between them in a separate layer, extremely easy.

Pro

JSON API generated for free

Exposes public JSON API for free. No additional routing to be defined. Makes it pretty easy to access data from anywhere.

Pro

Transparent support for Socket.io

Sails.js is built with a focus on building real time communication apps such as chat or multiplayer games, so naturally it has Socket.io extremely well supported.

Pro

ORM that can be plugged into any database, or even custom web service

Sails.js uses Waterline ORM at its backend which means you can store your data in any datastore that you like; all you have to do is make a change to the Waterline adapter, this will allow you to store your data in MySQL/Redis or any other kind of database.

Pro

So easy to deploy and lift

Pro

Views are rendered on the server

Derby renders it's client-side views on the server. This means that there's no "delay" in serving the content to the browser when the user requests it. It's also very helpful for SEO purposes.

Pro

Real time communication between server and client

Derby enables the client and server to sync models across the board in real-time.

Pro

Same code can be run on the client and server

The same code can be run on both the server and the client, because Derby is a full-stack JavaScript-everywhere platform.

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Cons

Con

Poor ORM

The built-in Waterline is not well designed and is not suitable for production environments. Populating more than 1 level deep is a nightmare, there is no transaction support, new features/bug fixes are not implemented anywhere near a timely manner (the most requested feature 'deep populate' has been lingering in their github issues list for over a year and a half now).

Con

Small community

Derby seems to have a small community of followers, at least compared to other Node full-stack frameworks. So it could be difficult for a beginner to find examples or help if they get stuck somewhere in their development.

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